How Will My PXI Board Be Affected by the Upcoming GPS Week Rollover?

Updated Jun 19, 2018

Reported In

Hardware

  • PXI-6683

Driver

  • NI-Sync

Issue Details

I would like to know how the GPS in my PXI-6683 board will be affected by the upcoming GPS week rollover (due on 07/04/2019). Will the GPS GetTime function work correctly without reporting a previous date?

Solution

NI PXI boards and the NI-Sync driver have been designed to handle the upcoming 2019 GPS rollover without reporting the incorrect time. The GPS chip on the board is designed to handle the initial rollover, and the driver is programmed to recognize that the initial rollover has occurred. Future rollovers (i.e. every 19 years after 2019) will be handled by upgrades to the driver. 

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